v. i. [ imp. & p. p. Sinned p. pr. & vb. n. Sinning. ] [ OE. sinnen, singen, sinegen, AS. syngian. See Sin, n. ] 1. To depart voluntarily from the path of duty prescribed by God to man; to violate the divine law in any particular, by actual transgression or by the neglect or nonobservance of its injunctions; to violate any known rule of duty; -- often followed by against. [ 1913 Webster ]

Against thee, thee only, have I sinned. Ps. li. 4. [ 1913 Webster ]

All have sinned, and come short of the glory of God. Rom. iii. 23. [ 1913 Webster ]

2. To violate human rights, law, or propriety; to commit an offense; to trespass; to transgress. [ 1913 Webster ]

I am a man
More sinned against than sinning. Shak. [ 1913 Webster ]

Who but wishes to invert the laws
Of order, sins against the eternal cause. Pope. [ 1913 Webster ]

n. [ OE. sinne, AS. synn, syn; akin to D. zonde, OS. sundia, OHG. sunta, G. sünde, Icel., Dan. & Sw. synd, L. sons, sontis, guilty, perhaps originally from the p. pr. of the verb signifying, to be, and meaning, the one who it is. Cf. Authentic, Sooth. ] 1. Transgression of the law of God; disobedience of the divine command; any violation of God's will, either in purpose or conduct; moral deficiency in the character; iniquity; as, sins of omission and sins of commission. [ 1913 Webster ]

Whosoever committeth sin is the servant of sin. John viii. 34. [ 1913 Webster ]

Sin is the transgression of the law. 1 John iii. 4. [ 1913 Webster ]

I think 't no sin.
To cozen him that would unjustly win. Shak. [ 1913 Webster ]

Enthralled
By sin to foul, exorbitant desires. Milton. [ 1913 Webster ]

2. An offense, in general; a violation of propriety; a misdemeanor; as, a sin against good manners. [ 1913 Webster ]

I grant that poetry's a crying sin. Pope. [ 1913 Webster ]

3. A sin offering; a sacrifice for sin. [ 1913 Webster ]

He hath made him to be sin for us, who knew no sin. 2 Cor. v. 21. [ 1913 Webster ]

4. An embodiment of sin; a very wicked person. [ R. ] [ 1913 Webster ]

Thy ambition,
Thou scarlet sin, robbed this bewailing land
Of noble Buckingham. Shak. [ 1913 Webster ]

☞ Sin is used in the formation of some compound words of obvious signification; as, sin-born; sin-bred, sin-oppressed, sin-polluted, and the like. [ 1913 Webster ]

Actual sin,
Canonical sins,
Original sin,
Venial sin. See under Actual, Canonical, etc. --
Deadly sins, or
Mortal sins (R. C. Ch.), willful and deliberate transgressions, which take away divine grace; -- in distinction from vental sins. The seven deadly sins are pride, covetousness, lust, wrath, gluttony, envy, and sloth. --
Sin eater, a man who (according to a former practice in England) for a small gratuity ate a piece of bread laid on the chest of a dead person, whereby he was supposed to have taken the sins of the dead person upon himself. --
Sin offering, a sacrifice for sin; something offered as an expiation for sin. [ 1913 Webster ]

Syn. -- Iniquity; wickedness; wrong. See Crime. [ 1913 Webster ]

adv., prep., & conj. Old form of Since. [ Obs. or Prov. Eng. & Scot. ] [ 1913 Webster ]

Sin that his lord was twenty year of age. Chaucer. [ 1913 Webster ]

{ } a. [ From Mount Sinai. ] Of or pertaining to Mount Sinai; given or made at Mount Sinai; as, the Sinaitic law. [ 1913 Webster ]

Sinaitic manuscript, a fourth century Greek manuscript of the part Bible, discovered at Mount Sinai (the greater part of it in 1859) by Tisschendorf, a German Biblical critic; -- called also Codex Sinaiticus. [ 1913 Webster ]

n. [ From L. Sinapis + alba. ] (Chem.) A glucoside found in the seeds of white mustard (Brassica alba, formerly Sinapis alba), and extracted as a white crystalline substance. [ 1913 Webster ]

n. [ Sinapis + melamine. ] (Chem.) A bitter white crystalline nitrogenous substance, obtained indirectly from oil of mustard and ammonia; -- called also allyl melamine. [ 1913 Webster ]

n. (Chem.) A salt of sinapic acid. [ 1913 Webster ]

a. (Chem.) Of or pertaining to sinapine; specifically, designating an acid (C11H12O5) related to gallic acid, and obtained by the decomposition of sinapine, as a white crystalline substance. [ 1913 Webster ]

n. [ L. sinapi, sinapis, mustard, Gr. &unr_;&unr_;&unr_;: cf. F. sinapine. ] (Chem.) An alkaloid occuring in the seeds of mustard. It is extracted, in combination with sulphocyanic acid, as a white crystalline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition. [ 1913 Webster ]

‖n. [ L. ] (Bot.) A disused generic name for mustard; -- now called Brassica. [ 1913 Webster ]